Here is the full list of all 64 2064: Read Only Memories achievements.
Completed Ending Three
Turing died during Wintermute
Completed Ending Four
Have a negative relationship with Turing by the end
Play through the game in a single session and never use a load or continue
Lexi resents you
The punks refuse to help you in your final quest
Jess refuses to help you in your final quest
Solve every puzzle without using the brick
TOMCAT resents you
That's one way to stock your fridge
Fail to talk to Wilty enough to save it
Called in for backup
Break up the Genus protests peacefully
Fail to convince Lexi in Chapter One and find another solution
Completed Ending Two
Completed Endless Christmas
Talk to at least 100 things!
Use the Headphones in the ITEMS menu to play every song on the soundtrack
Use at least 100 things!
Look at a minimum of 100 things!
Use Item on at least 100 things!
Completed Ending One
Have a positive relationship with Turing by the end
You finally found a use for it....
Got killed by Dekker
Shoot past the security ROMs without taking damage
Make friends with Lexi
Successfully navigate the drainage tunnels on the first try
Fail to escape the drainage tunnels before the water rises too high
Complete Chapter 5
Convince the punks to help you in your final quest
Convince Jess to help you in your final quest
Become friends with TOMCAT
You tried to actually do your job
Complete Flower Arc
Bring Wilty back to outstanding health
Complete Media Arc
Go on every drunken escapade
Order and drink every drink available at Stardust
Try at least half of Stardust's drink menu
You are very lucky!
Provoke a tough guy in the wrong part of town
That would have made sense, huh?
Learn a lot of wrestling moves
You just can't leave plants well enough alone
Find and listen through all of Turing's lectures
Talk to Wilty enough to keep it alive
Complete Chapter 2
Try 10 different kinds of Hassy
Successfully trap a miscreant's taxi
Kept a cool head and worked things out
Start a riot to clear the Genus protests
Strike out at the club on Hybrid Night
Complete Chapter 1
You got lost and annoyed the neighbors
Wilty is lucky Turing stepped in
Convince Lexi to help you with impressive speechcraft
Beat the final boss of Mega Phobetor
Checked your inbox and the paper before you slept
Brought along an unhealthy snack
Use the headphones to listen to the soundtrack
Complete the Prologue
Puzzle your first puzzle!